route notes default delete, etc

route del -net 10.0.0.0 netmask 255.0.0.0 gw 192.168.1.254 wlan0

route add default gw 192.168.1.1 wlan0

http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch03_:_Linux_Networking